Louisiana Cosmetology State Board
Practice Exam Fall 2026| 250 Most Tested
Questions Collection & Verified Detailed
Answers With Rationales| Tutor Verified
Success Exam) Graded A+
General Sciences, Infection Control & Safety
1. What is the primary purpose of infection control in a
cosmetology salon?
A. Increase service speed
B. Improve product sales
C. Prevent the spread of disease
D. Reduce appointment times
Answer: C. Prevent the spread of disease
Rationale: Infection-control procedures are designed primarily to
prevent the transmission of infectious microorganisms.
2. Which organization is primarily responsible for regulating
workplace safety in the United States?
A. EPA
B. OSHA
C. FDA
D. CDC
Answer: B. OSHA
Rationale: OSHA establishes and enforces workplace health and
safety standards.
,3. Which term describes disease-causing microorganisms?
A. Nonpathogens
B. Pathogens
C. Antibodies
D. Enzymes
Answer: B. Pathogens
Rationale: Pathogens are microorganisms capable of causing disease.
4. Which microorganism is responsible for athlete's foot?
A. Virus
B. Bacterium
C. Fungus
D. Protozoan
Answer: C. Fungus
Rationale: Athlete's foot, or tinea pedis, is a fungal infection.
5. Which microorganism can reproduce only inside living cells?
A. Virus
B. Fungus
C. Bacterium
D. Alga
Answer: A. Virus
Rationale: Viruses require living host cells to replicate.
6. Which type of bacteria is spherical in shape?
A. Bacilli
B. Cocci
,C. Spirilla
D. Vibrios
Answer: B. Cocci
Rationale: Cocci are spherical or round-shaped bacteria.
7. Which type of bacteria is rod-shaped?
A. Cocci
B. Bacilli
C. Spirilla
D. Diplococci
Answer: B. Bacilli
Rationale: Bacilli are rod-shaped bacteria.
8. Spiral-shaped bacteria are called:
A. Cocci
B. Bacilli
C. Spirilla
D. Staphylococci
Answer: C. Spirilla
Rationale: Spirilla are spiral-shaped bacteria.
9. Which bacterial growth stage involves rapid multiplication?
A. Lag phase
B. Log phase
C. Decline phase
D. Resting phase
Answer: B. Log phase
, Rationale: During the log phase, bacteria multiply rapidly.
10. Which form of bacterial protection can survive harsh
environmental conditions?
A. Spore
B. Cocci
C. Capsule
D. Colony
Answer: A. Spore
Rationale: Certain bacteria can form spores that resist unfavorable
environmental conditions.
11. What is the process of destroying most pathogens on a surface?
A. Cleaning
B. Disinfection
C. Styling
D. Conditioning
Answer: B. Disinfection
Rationale: Disinfection destroys many or most pathogenic
microorganisms on nonliving surfaces.
12. What must generally occur before an implement is disinfected?
A. It must be polished
B. It must be cleaned
C. It must be dried with a towel
D. It must be placed in a drawer
Answer: B. It must be cleaned
Practice Exam Fall 2026| 250 Most Tested
Questions Collection & Verified Detailed
Answers With Rationales| Tutor Verified
Success Exam) Graded A+
General Sciences, Infection Control & Safety
1. What is the primary purpose of infection control in a
cosmetology salon?
A. Increase service speed
B. Improve product sales
C. Prevent the spread of disease
D. Reduce appointment times
Answer: C. Prevent the spread of disease
Rationale: Infection-control procedures are designed primarily to
prevent the transmission of infectious microorganisms.
2. Which organization is primarily responsible for regulating
workplace safety in the United States?
A. EPA
B. OSHA
C. FDA
D. CDC
Answer: B. OSHA
Rationale: OSHA establishes and enforces workplace health and
safety standards.
,3. Which term describes disease-causing microorganisms?
A. Nonpathogens
B. Pathogens
C. Antibodies
D. Enzymes
Answer: B. Pathogens
Rationale: Pathogens are microorganisms capable of causing disease.
4. Which microorganism is responsible for athlete's foot?
A. Virus
B. Bacterium
C. Fungus
D. Protozoan
Answer: C. Fungus
Rationale: Athlete's foot, or tinea pedis, is a fungal infection.
5. Which microorganism can reproduce only inside living cells?
A. Virus
B. Fungus
C. Bacterium
D. Alga
Answer: A. Virus
Rationale: Viruses require living host cells to replicate.
6. Which type of bacteria is spherical in shape?
A. Bacilli
B. Cocci
,C. Spirilla
D. Vibrios
Answer: B. Cocci
Rationale: Cocci are spherical or round-shaped bacteria.
7. Which type of bacteria is rod-shaped?
A. Cocci
B. Bacilli
C. Spirilla
D. Diplococci
Answer: B. Bacilli
Rationale: Bacilli are rod-shaped bacteria.
8. Spiral-shaped bacteria are called:
A. Cocci
B. Bacilli
C. Spirilla
D. Staphylococci
Answer: C. Spirilla
Rationale: Spirilla are spiral-shaped bacteria.
9. Which bacterial growth stage involves rapid multiplication?
A. Lag phase
B. Log phase
C. Decline phase
D. Resting phase
Answer: B. Log phase
, Rationale: During the log phase, bacteria multiply rapidly.
10. Which form of bacterial protection can survive harsh
environmental conditions?
A. Spore
B. Cocci
C. Capsule
D. Colony
Answer: A. Spore
Rationale: Certain bacteria can form spores that resist unfavorable
environmental conditions.
11. What is the process of destroying most pathogens on a surface?
A. Cleaning
B. Disinfection
C. Styling
D. Conditioning
Answer: B. Disinfection
Rationale: Disinfection destroys many or most pathogenic
microorganisms on nonliving surfaces.
12. What must generally occur before an implement is disinfected?
A. It must be polished
B. It must be cleaned
C. It must be dried with a towel
D. It must be placed in a drawer
Answer: B. It must be cleaned
